Stent wall structure



FIG. 1 is a side elevational view of a stent wall structure showing my new design; and,

FIG. 2 is a side elevational view of a modified embodiment of the design shown in FIG. 1.

The stent wall structures illustrated herein are portions of tubular members. The inside surfaces of the stent do not form a part of the claimed design. 

The ornamental design for a stent wall structure, as shown and described. 